As we all know most of the songs from 'This Is Acting' were rejected por other artists. This feature makes it a unique and singular album, a grand experiment that Sia decided to faceAnd like she declared on "Good Morning America": it was something that she wanted to prove, that the songs were good enough to be on an album and be played on the radio.

1. First, let's talk about 'Bird Set Free'. This song was composed por Sia and Greg Kurstin for the movie Pitch Perfect 2 but it was rejected to give the opportunity to 'Flashlight' por Jessie J, also co-written por Sia (with Sam Smith, Christian Guzman...